A vulnerability classified as critical has been found in eQ-3 Homematic up to 2.41.7/3.43.15. Affected is some unknown functionality of the component Authorization. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.16 use session IDs for authentication but lack authorization checks. An attacker can obtain a session ID via an invalid login attempt to the RemoteApi account, aka HMCCU-154. This leads to automatic login as admin.

The weakness was shared 07/10/2019. This vulnerability is traded as CVE-2019-10119 since 03/27/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1548.002.

Upgrading eliminates this vulnerability.

Productinfo

Vendor

• eQ-3

Name

• Homematic

Version

• 2.41.0
• 2.41.1
• 2.41.2
• 2.41.3
• 2.41.4
• 2.41.5
• 2.41.6
• 2.41.7
• 3.43.0
• 3.43.1
• 3.43.2
• 3.43.3
• 3.43.4
• 3.43.5
• 3.43.6
• 3.43.7
• 3.43.8
• 3.43.9
• 3.43.10
• 3.43.11
• 3.43.12
• 3.43.13
• 3.43.14
• 3.43.15

CPE 2.3info

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CPE 2.2info

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